1 #ifndef _IP6T_OPTS_H
2 #define _IP6T_OPTS_H
3 
4 #define IP6T_OPTS_OPTSNR 16
5 
6 struct ip6t_opts
7 {
8 	u_int32_t hdrlen;			/* Header Length */
9 	u_int8_t flags;				/*  */
10 	u_int8_t invflags;			/* Inverse flags */
11 	u_int16_t opts[IP6T_OPTS_OPTSNR];	/* opts */
12 	u_int8_t optsnr;			/* Nr of OPts */
13 };
14 
15 #define IP6T_OPTS_LEN 		0x01
16 #define IP6T_OPTS_OPTS 		0x02
17 #define IP6T_OPTS_NSTRICT	0x04
18 
19 /* Values for "invflags" field in struct ip6t_rt. */
20 #define IP6T_OPTS_INV_LEN	0x01	/* Invert the sense of length. */
21 #define IP6T_OPTS_INV_MASK	0x01	/* All possible flags. */
22 
23 #define MASK_HOPOPTS    128
24 #define MASK_DSTOPTS    64
25 #define MASK_ROUTING    32
26 #define MASK_FRAGMENT   16
27 #define MASK_AH         8
28 #define MASK_ESP        4
29 #define MASK_NONE       2
30 #define MASK_PROTO      1
31 
32 #endif /*_IP6T_OPTS_H*/
33